Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Collect 15 Daedric Artifacts
Pick 50 locks and 50 pockets
Bounty of 1000 gold in all nine holds
Have 100,000 gold
Complete "Hail Sithis!"
Complete "Bound Until Death"
Read 50 Skill Books
Join the Dark Brotherhood
Complete "Glory of the Dead"
Reach Level 50
Become a member of the Circle
Join the Companions
Get married
Chop wood, mine ore, and cook food
Find 13 Standing Stones
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete "Dragonslayer"
Complete "The Fallen"
Learn 20 shouts
Complete "Elder Knowledge"
Complete "Alduin's Wall"
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Join the College of Winterhold
Complete "Diplomatic Immunity"
Absorb 20 dragon souls
Clear 50 dungeons
Returned the Thieves Guild to its former glory
Complete "Darkness Returns"
Get a skill to 100
Join the Thieves Guild
Make a smithed item, an enchanted item, and a potion
Discover 100 Locations
Complete 50 Misc Objectives
Buy a house
Join the Stormcloaks or the Imperial Army
Acquire a Daedric Artifact
Reach Level 25
Complete 10 side quests
Escape from jail
Successfully persuade, bribe, and intimidate
Learn all three words of a shout
Complete "The Way of the Voice"
Reach Level 10
Select a Standing Stone blessing
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Reach Level 5
Complete "Unbound"
Craft an item out of Stalhrim
Tame and ride 5 dragons
Learn the secrets of 5 Black Books
Complete "At the Summit of Apocrypha"
Learn all 3 words of Dragon Aspect
Discover 30 locations on the island of Solstheim
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Own a house in Raven Rock
Arrive on Solstheim
Defeat a Legendary Dragon
Acquire 11 werewolf perks
Acquire 11 vampire perks
Complete "Lost to the Ages"
Use the special power of Auriel's Bow
Complete "Kindred Judgment"
Learn all three words of Soul Tear
Complete "Beyond Death"
Complete "Awakening"
Change your face
Build three houses
Buy three plots of land
Adopt a child
Build three wings on a house
Buy a plot of land